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Insert Content Controls into Word Document in Java

 
Introduction
Content controls are ideal for creating templates because content controls can help us fix the position of content, specify the kind of content (for example, a date, a picture, or text), and restrict or enable editing on content. In this article, I will demonstrate how to insert the following types of content controls into a Word document in Java.
·       Combo box
·       Check box
·       Text
·       Picture
·       Date picker
·       Drop-down list
 
Required library
Free Spire.Doc for Java
Before using the below code, we need to download Free Spire.Doc for Java and then import the Spire.Doc.jar file into our project. For maven project, you can refer this online tutorial to install Free Spire.Doc for Java from maven repository.
 
Code example
import com.spire.doc.*;
import com.spire.doc.documents.*;
import com.spire.doc.fields.*;

import java.util.Date;

public class ContentControls {
    public static void main(String[] args){
        //create a new Word document
        Document document = new Document();
        Section section = document.addSection();
        Paragraph paragraph = section.addParagraph();
        TextRange txtRange = paragraph.appendText("The following example shows how to add content controls in a Word document.");
        section.addParagraph();

        //add combo box content control
        paragraph = section.addParagraph();
        txtRange = paragraph.appendText("Combo Box Content Control:  ");
        txtRange.getCharacterFormat().setItalic(true);
        StructureDocumentTagInline sd = new StructureDocumentTagInline(document);
        paragraph.getChildObjects().add(sd);
        sd.getSDTProperties().setSDTType(SdtType.Combo_Box);
        sd.getSDTProperties().setAlias("ComboBox");
        sd.getSDTProperties().setTag("ComboBox");
        SdtComboBox cb = new SdtComboBox();
        cb.getListItems().add(new SdtListItem("Item 1"));
        cb.getListItems().add(new SdtListItem("Item 2"));
        cb.getListItems().add(new SdtListItem("Item 3"));
        sd.getSDTProperties().setControlProperties(cb);
        TextRange rt = new TextRange(document);
        rt.setText(cb.getListItems().get(0).getDisplayText());
        sd.getSDTContent().getChildObjects().add(rt);
        section.addParagraph();

        //add checkbox content control
        paragraph = section.addParagraph();
        txtRange = paragraph.appendText("Check Box Content Control:  ");
        txtRange.getCharacterFormat().setItalic(true);
        sd = new StructureDocumentTagInline(document);
        paragraph.getChildObjects().add(sd);
        sd.getSDTProperties().setSDTType(SdtType.Check_Box);
        sd.getSDTProperties().setAlias("CheckBox");
        sd.getSDTProperties().setTag("CheckBox");
        SdtCheckBox scb = new SdtCheckBox();
        sd.getSDTProperties().setControlProperties(scb);
        rt = new TextRange(document);
        sd.getChildObjects().add(rt);
        scb.setChecked(true);
        section.addParagraph();

        //add text content control
        paragraph = section.addParagraph();
        txtRange = paragraph.appendText("Text Content Control:  ");
        txtRange.getCharacterFormat().setItalic(true);
        sd = new StructureDocumentTagInline(document);
        paragraph.getChildObjects().add(sd);
        sd.getSDTProperties().setSDTType(SdtType.Text);
        sd.getSDTProperties().setAlias("Text");
        sd.getSDTProperties().setTag("Text");
        SdtText text = new SdtText(true);
        text.isMultiline(true);
        sd.getSDTProperties().setControlProperties(text);
        rt = new TextRange(document);
        rt.setText("Text");
        sd.getSDTContent().getChildObjects().add(rt);
        section.addParagraph();

        paragraph = section.addParagraph();
        txtRange = paragraph.appendText("Picture Content Control:  ");
        txtRange.getCharacterFormat().setItalic(true);
        sd = new StructureDocumentTagInline(document);
        paragraph.getChildObjects().add(sd);
        sd.getSDTProperties().setControlProperties(new SdtPicture());
        sd.getSDTProperties().setAlias("Picture");
        sd.getSDTProperties().setTag("Picture");
        DocPicture pic = new DocPicture(document);
        pic.setWidth(10f);
        pic.setHeight(10f);
        pic.loadImage("logo.png");
        sd.getSDTContent().getChildObjects().add(pic);
        section.addParagraph();

        //add date picker content control
        paragraph = section.addParagraph();
        txtRange = paragraph.appendText("Date Picker Content Control:  ");
        txtRange.getCharacterFormat().setItalic(true);
        sd = new StructureDocumentTagInline(document);
        paragraph.getChildObjects().add(sd);
        sd.getSDTProperties().setSDTType(SdtType.Date_Picker);
        sd.getSDTProperties().setAlias("Date");
        sd.getSDTProperties().setTag("Date");
        SdtDate date = new SdtDate();
        date.setCalendarType(CalendarType.Default);
        date.setDateFormat("yyyy.MM.dd");
        date.setFullDate(new Date());
        sd.getSDTProperties().setControlProperties(date);
        rt = new TextRange(document);
        rt.setText("2018.12.25");
        sd.getSDTContent().getChildObjects().add(rt);
        section.addParagraph();

        //add drop-down list content control
        paragraph = section.addParagraph();
        txtRange = paragraph.appendText("Drop-Down List Content Control:  ");
        txtRange.getCharacterFormat().setItalic(true);
        sd = new StructureDocumentTagInline(document);
        paragraph.getChildObjects().add(sd);
        sd.getSDTProperties().setSDTType(SdtType.Drop_Down_List);
        sd.getSDTProperties().setAlias("DropDownList");
        sd.getSDTProperties().setTag("DropDownList");
        SdtDropDownList sddl = new SdtDropDownList();
        sddl.getListItems().add(new SdtListItem("Option 1"));
        sddl.getListItems().add(new SdtListItem("Option 2"));
        sd.getSDTProperties().setControlProperties(sddl);
        rt = new TextRange(document);
        rt.setText(sddl.getListItems().get(0).getDisplayText());
        sd.getSDTContent().getChildObjects().add(rt);

        //save and launch the file
        document.saveToFile("addContentControls.docx", FileFormat.Docx_2013);
    }
}
 
Output:
 
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